Patent · US Expired

Highly shrinkable acrylic fibres or filaments

US4108845A · kind A · utility

4Cited by

5References

3Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Ulrich Reinehr · Dormagen, DE
Alfred Nogaj · Dormagen, DE
Günter Lorenz · Friedrichsdorf, DE

Key dates

Filing date	Jan 28, 1976
Grant date	Aug 22, 1978
Priority date	—
Expiry date	Jan 28, 1996

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD01F6/38
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The invention relates to highly shrinkable fibres or filaments of acrylonitrile polymers or copolymers which have a shrinkability of at least 35% and a fibre strength of at least 2 p/dtex. The invention relates further to a process for the production of these fibres or filaments.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.